Quote:
Originally Posted by empiref
Hello Cym Ladye,
I moved my second Cym into Semi-Hydro, this time, I worked with a dry root ball, I took my time carefully and untangled all the roots slowly and managed to clean 90% of the old medium without cutting the bottom 1/3 of the root ball. Root damage was about 10%, all the new growth were intact.

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Rosie is absolutely correct. You want NEW roots to form. old ones. Also, the vigor of the new S/H roots may well be far better than the old ones. Why fill up space with old roots when you really want new ones forming off the old ones????
For S/H culture, I would cut
2/3 of the old roots back -
BEFORE getting the old mix out. Roots should be no longer than 3" from the base of the pseudo bulb.
Cheers,
CL